Mr. Canton and Lady Rose

A country boy becomes the head of a gang through the purchase of some lucky roses from an old lady. He and a singer at the gang's nightclub try to do a good deed for the old lady when her daughter comes to visit.
(Source: TMDb)
~~ The film is a variation of Frank Capra's Lady for a Day and Pocketful of Miracles, which in turn were adapted from "Madame La Gimp", a short story by Damon Runyon.